Admission: $2-$4; under 4 free. 600 E. Bay Ave., Newport Beach. 949-675-8915. explorocean.org“Live Music, Small Plates, ... Costa Mesa and Newport Beach calendar of events ...

Several major streets will be shut down ahead of the marathon, and closures in Costa Mesa begin Saturday before the start of the OC 5k on Saturday afternoon. On Saturday, Nov. 6, from 3:45 p.m. to ...